 <%@page contentType="text/html" pageEncoding="UTF-8"%>
<!DOCTYPE html>
    
<div id="header">
    <lable class="admin">Administration</lable>
    <lable class="namestore">HỆ THỐNG BÁN VÉ TÀU</lable>
    <%--
        c1: ${sessionScope.USERNAME} 
        c2: <% String user =(String) session.getAttribute("USERNAME"); 
               out.print(user); %>
    --%>
    <span>
        <% if(session.getAttribute("USERNAME") != null) { %>
        welcome: <label style="color: #e38347"> ${sessionScope.USERNAME} </label> | <a href="Login">Logout</a>
        <% } %>
    </span>
</div>